package com.atguigu.juc;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.TimeUnit;

public class CyclicBarrierDemo {
    public static void main(String[] args) {
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7,()-> System.out.println("========="));
        System.out.println("-----");
        for (int i = 1; i <=7; i++) {
            int finalI = i;
            new Thread(() -> {
                try {
                    TimeUnit.MILLISECONDS.sleep(3000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

                try {
                    cyclicBarrier.await();
                    System.out.println(Thread.currentThread().getName()+"第"+ finalI +"个");
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            },String.valueOf(i)).start();
                }
    }
}
